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2021-06-09 f143e5ece742a275d1e360c55e829d21e706b26d

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#include "StdAfx.h"
#include "akIPCNetAOISystem.h"
#include <process.h>
 
#define SHAREDMEMNAME "DIT.AOISYSTEM.SHAREDMEM"
 
akIPCNetAOISystem::akIPCNetAOISystem(void)
: m_mxSignalProcess(FALSE, _T("IPC_NETWORKSYSTEM_MUTEX"))
{
    m_pParent = NULL;
    m_nThreadSignalFlag = 0;
    m_pIPCAOISystem = NULL;
    m_hMapIPCAOISystem = NULL;
    
    InitializeCriticalSection(&m_csSignalProcess);
}
 
akIPCNetAOISystem::~akIPCNetAOISystem(void)
{
    if(m_nThreadSignalFlag == 1) m_nThreadSignalFlag = 2;
    while(m_nThreadSignalFlag != 0)
    {
        Sleep(0);
    }
 
    if (m_pIPCAOISystem!=NULL)
    {
        ::UnmapViewOfFile(m_pIPCAOISystem);
        m_pIPCAOISystem = NULL;
    }
 
    if (m_hMapIPCAOISystem != NULL)
    {
        ::CloseHandle(m_hMapIPCAOISystem);
        m_hMapIPCAOISystem = NULL;
    }
 
}
 
bool akIPCNetAOISystem::Create( CWnd* pParent )
{
    if(m_pIPCAOISystem) return false;
 
 
    BOOL bCreateSharedMem = FALSE;//°øÀ¯¸Þ¸ð¸® »ý¼º [±èÅÂÇö 2018/9/10]
    {
        BOOL bCreateMem = TRUE;
 
        m_hMapIPCAOISystem = ::CreateFileMapping(INVALID_HANDLE_VALUE,NULL,PAGE_READWRITE
            , 0, sizeof(_IPCAOISystem), SHAREDMEMNAME);
 
        if (::GetLastError() == ERROR_ALREADY_EXISTS)
        {
            m_hMapIPCAOISystem = ::OpenFileMapping(FILE_MAP_ALL_ACCESS,FALSE,SHAREDMEMNAME);
            bCreateMem = FALSE;
        }
 
        if (m_hMapIPCAOISystem)
        {
            m_pIPCAOISystem = (_IPCAOISystem*)::MapViewOfFile(m_hMapIPCAOISystem, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(_IPCAOISystem));
            if (m_pIPCAOISystem)
            {
                bCreateSharedMem = TRUE;
            }
        }
        
        //0À¸·Î ÃʱâÈ­
        if(bCreateMem && m_pIPCAOISystem) ZeroMemory(m_pIPCAOISystem,sizeof(_IPCAOISystem));
    }
 
    if(bCreateSharedMem == FALSE) return false;
 
    m_pParent = pParent;
 
    _beginthread(threadSignal, NULL, this);
 
    return true;
}
 
void akIPCNetAOISystem::threadSignal( void* arg )
{
    akIPCNetAOISystem* pThis = (akIPCNetAOISystem*)arg;
 
    pThis->m_nThreadSignalFlag = 1;
    pThis->processSignal();
    pThis->m_nThreadSignalFlag = 0;
}
 
void akIPCNetAOISystem::processSignal()
{
    char m_nSignalPreAOI[INA_SIGNALNUM]={};
    char m_nSignalCurAOI[INA_SIGNALNUM]={};
    char m_nSignalPreReview[INA_SIGNALNUM]={};
    char m_nSignalCurReview[INA_SIGNALNUM]={};
 
    DWORD dwTickCount =0;
 
    while(m_nThreadSignalFlag == 1)
    {
        dwTickCount = GetTickCount();
 
        m_mxSignalProcess.Lock();
        memcpy(m_nSignalCurAOI, getAOIProtocol()->m_nSignal, sizeof(char)*INA_SIGNALNUM);
        memcpy(m_nSignalCurReview, getReviewProtocol()->m_nSignal, sizeof(char)*INA_SIGNALNUM);
        m_mxSignalProcess.Unlock();
        //Signal °¨Áö ºÎºÐ [±èÅÂÇö 2018/9/10]
        {
            for(int i=0; i<INA_SIGNALNUM; i++)
            {
                if(m_nSignalCurAOI[i] == 1 && m_nSignalPreAOI[i] == 0)
                {
                    RecvSignal(ST_AOI, i);
                }
            }
            for(int i=0; i<INA_SIGNALNUM; i++)
            {
                if(m_nSignalCurReview[i] == 1 && m_nSignalPreReview[i] == 0)
                {
                    RecvSignal(ST_Review, i);
                }
            }
        }
 
        //signal time off Ã³¸® ºÎºÐ
        {
            EnterCriticalSection(&m_csSignalProcess);
            for(int i=m_vecSignalTimeOff.size()-1; i>=0; i--)
            {
                if(m_vecSignalTimeOff[i].nTimeBitOff < dwTickCount)
                {
                    *m_vecSignalTimeOff[i].pSignal = 0;
                    m_vecSignalTimeOff.erase(m_vecSignalTimeOff.begin()+i);
                }
                else if(*m_vecSignalTimeOff[i].pSignal == 0)
                {
                    m_vecSignalTimeOff.erase(m_vecSignalTimeOff.begin()+i);
                }
            }
            LeaveCriticalSection(&m_csSignalProcess);
        }
 
        memcpy(m_nSignalPreAOI, m_nSignalCurAOI, sizeof(char)*INA_SIGNALNUM);
        memcpy(m_nSignalPreReview, m_nSignalCurReview, sizeof(char)*INA_SIGNALNUM);
 
        Sleep(50);
    }
}
 
bool akIPCNetAOISystem::SetSignal( emSystemType nSystemType, int nSignalIndex, int nTimeMS /*= 500*/ )
{
    char* pSignal = NULL;
    if(nSystemType == ST_AOI)
    {
        pSignal = &getAOIProtocol()->m_nSignal[nSignalIndex];
    }
    else if(nSystemType == ST_Review)
    {
        pSignal = &getReviewProtocol()->m_nSignal[nSignalIndex];
    }
 
 
    EnterCriticalSection(&m_csSignalProcess);
    for(int i=0; i<m_vecSignalTimeOff.size(); i++)
    {
        if(m_vecSignalTimeOff[i].pSignal == pSignal)
        {
            LeaveCriticalSection(&m_csSignalProcess);
            return false;
        }
    }
 
    _SignalTimerOff signaloff;
    signaloff.pSignal = pSignal;
    signaloff.nTimeBitOff = GetTickCount()+nTimeMS;
    m_vecSignalTimeOff.push_back(signaloff);
    LeaveCriticalSection(&m_csSignalProcess);
 
    m_mxSignalProcess.Lock();
    *pSignal = 1;
    m_mxSignalProcess.Unlock();
    
    return true;
}
 
void akIPCNetAOISystem::RecvSignal( emSystemType nSystemType, int nSignal )
{
    if(m_pParent) m_pParent->PostMessage(UM_IPCNETAOISYSTEM, nSignal, (int)nSystemType);
}